77845140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1723}}^1$

素因数の和:1989

約数の個数: 72

約数和(自身を含む): 237208608

約数和(自身を除く): 159363468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 1723, 2259, 2510, 3012, 3446, 3765, 4518, 5020, 5169, 6892, 7530, 8615, 9036, 10338, 11295, 15060, 15507, 17230, 20676, 22590, 25845, 31014, 34460, 45180, 51690, 62028, 77535, 103380, 155070, 310140, 432473, 864946, 1297419, 1729892, 2162365, 2594838, 3892257, 4324730, 5189676, 6487095, 7784514, 8649460, 12974190, 15569028, 19461285, 25948380, 38922570, 77845140]

約数ペア:

[(1, 77845140), (2, 38922570), (3, 25948380), (4, 19461285), (5, 15569028), (6, 12974190), (9, 8649460), (10, 7784514), (12, 6487095), (15, 5189676), (18, 4324730), (20, 3892257), (30, 2594838), (36, 2162365), (45, 1729892), (60, 1297419), (90, 864946), (180, 432473), (251, 310140), (502, 155070), (753, 103380), (1004, 77535), (1255, 62028), (1506, 51690), (1723, 45180), (2259, 34460), (2510, 31014), (3012, 25845), (3446, 22590), (3765, 20676), (4518, 17230), (5020, 15507), (5169, 15060), (6892, 11295), (7530, 10338), (8615, 9036)]